CVE-2020-21564 : Exploit Details and Defense Strategies
Learn about CVE-2020-21564 affecting Pluck CMS 4.7.10-dev2 and 4.7.11, allowing remote command execution. Find mitigation steps and best practices for enhanced security.
Pluck CMS 4.7.10-dev2 and 4.7.11 are affected by a file upload vulnerability leading to remote command execution via admin.php?action=files.
Understanding CVE-2020-21564
This CVE involves a security issue in Pluck CMS versions 4.7.10-dev2 and 4.7.11 that allows for remote command execution.
What is CVE-2020-21564?
An issue in Pluck CMS versions 4.7.10-dev2 and 4.7.11 enables attackers to execute remote commands through a file upload vulnerability.
The Impact of CVE-2020-21564
This vulnerability can be exploited by malicious actors to execute commands remotely, potentially leading to unauthorized access and control of the affected system.
Technical Details of CVE-2020-21564
Pluck CMS 4.7.10-dev2 and 4.7.11 are susceptible to a file upload vulnerability that can be leveraged for remote command execution.
Vulnerability Description
The flaw in these versions of Pluck CMS allows attackers to upload files that can then be used to execute commands remotely.
Affected Systems and Versions
- Pluck CMS 4.7.10-dev2
- Pluck CMS 4.7.11
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading malicious files via the 'admin.php?action=files' endpoint, leading to the execution of unauthorized commands.
Mitigation and Prevention
To address CVE-2020-21564, follow these mitigation steps:
Immediate Steps to Take
- Disable file uploads in the affected versions of Pluck CMS.
- Monitor and restrict access to the 'admin.php?action=files' endpoint.
Long-Term Security Practices
- Regularly update Pluck CMS to the latest secure version.
- Implement file upload restrictions and security controls.
Patching and Updates
- Apply patches or updates provided by Pluck CMS to fix the vulnerability and enhance system security.